Home / 2,791.38-3,852.21-1,549.62

Finding the Fourth Proportional to 2,791.38, 3,852.21 and 1,549.62

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Solution

The fourth proportional to 2,791.38, 3,852.21 and 1,549.62 is: 2,138.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,791.38 : 3,852.21 = 1,549.62 : x
  2. Step 2: Convert to fraction form
    2,791.38/3,852.21 = 1,549.62/x
  3. Step 3: Cross multiply
    2,791.38x = 3,852.21 × 1,549.62
  4. Step 4: Simplify right side
    2,791.38x = 5,969,461.66
  5. Step 5: Solve for x
    x = 5,969,461.66/2,791.38
  6. Step 6: Final answer
    x = 2,138.53

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.